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30 Spline

  •    GM 8.6" Auburn HP Posi Differential 30 Spline 542097
    $420.00 GM 8.6" Auburn HP Posi Differential 30 Spline 542097
    Hook up with Auburn Gear High Performance series differentials and outperform the competition! These differentials deliver superior performance through a unique cone-clutch design that transfers more power to the...

  •  GM 8.5" Detroit Truetrac Posi 30 Spline 913A481
    $492.65 GM 8.5" Detroit Truetrac Posi 30 Spline 913A481
    The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics. Operation The Truetrac operates as a standard or open differential...

  • GM 8.5" Eaton Posi LSD 30 Spline 19559-10
    $508.67 GM 8.5" Eaton Posi LSD 30 Spline 19559-10
    The Eaton Posi limited-slip differential prevents wheel slip before it can get started. To do that, carbon disc clutch packs, preloaded by a central spring assembly, are located behind each differential side gear. When...